SEEDFILL Name
      
       SEEDFILL Purpose
      
       For an array fill a connected region bounded by given values.
Category
Calling Sequence
      
       seedfill, img Inputs
Keyword Parameters
Keywords
        
         SEED=s  Seed point as a 2 element array [ix,iy].
                  FILL=f  Fill pixel value.
                  BOUND=b Region boundary pixel value.
          
           May be an array of allowed boundary values.
        
         ERROR=err Error flag.  0=ok, else error.
Outputs
      
       img = Image to process.    in, out
Common Blocks
Notes
Modification History
      
       R. Sterner, 1994 Mar 16 
      
       R. Sterner, 1994 May 23 --- Converted to multiple boundary values.
      
       R. Sterner, 1995 May 17 --- Added keyboard abort.
      
       R. Sterner, 1995 Oct 18 --- Completely rewrote to vastly simplify
              and speed up. 
  
 Copyright (C) 1994, Johns Hopkins University/Applied Physics Laboratory
  
 This software may be used, copied, or redistributed as long as it is not
  
 sold and this copyright notice is reproduced on each copy made.  This
  
 routine is provided as is without any express or implied warranties
  
 whatsoever.  Other limitations apply as described in the file disclaimer.txt.